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CMC Mextram Development
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See the official web page of 
`Mextram <http://www.eng.auburn.edu/~niuguof/mextram/index.html>`_,
one of the  `Compact Model Coalition (CMC) <https://www.si2.org/cmc_index.php/>`_
standard
transistor compact models for the semiconductor industry. 
Mextram stands for
Most EXquisite TRAnsistor Model. Mextram is excellent for Si and SiGe
processes, including high speed RF as well as high voltage high current 
devices. It accounts for high injection effects with a dedicated epi-layer model, 
self heating, avalanche, low-frequency and high frequency noises 
in physical manners, and is formulated with 
minimal interactions between DC and AC characteristics that simplifies 
parameter extraction.

Mextram is being developed and supported by the `SiGe group <http://www.eng.auburn.edu/~niuguof/research/index.html>`_ at `Alabama Micro/Nano Electronics
Science and Technology 
Center <http://www.eng.auburn.edu/department/ee/amstc/amstc.html>`_, 
`Electrical and Computer Engineering Department, Auburn University. <http://www.eng.auburn.edu/elec/>`_
It was previously developed by 
`NXP Semiconductors <http://www.nxp.com/models/simkit/bipolar-models/mextram/>`_ (-2006), 
Delft University of Technology (2006-2014 Q2), 
and `Silvaco <http://www.silvaco.com/>`_ (2014 Q3-2015 Q1). 

Model improvements are charted by the 
`Compact Model Coalition (CMC) <https://www.si2.org/cmc_members_list.php>`_, 
a consortium of semiconductor companies and EDA vendors world-wide 
promoting industry-standard compact model development.